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Erythropoietin production by a hepatic adenoma in a patient with severe erythrocytosis

Erythropoietin production by a hepatic adenoma in a patient with severe erythrocytosis

Acta Haematologica 121(1): 52-55

A 53-year-old woman with severe erythrocytosis (hemoglobin concentration 19.5 g/dl and hematocrit 0.59) was admitted to our hospital because of fatigue and headache. The serum erythropoietin (Epo) concentration was 68.6 U/l (reference range; 3.7-31.5). Further investigations excluded polycythemia vera or any lung or heart disease. Radiological examination showed a tumor in the left hepatic lobe. Needle biopsies were performed and the histopathological diagnosis was hepatocellular adenoma. Immunohistochemistry demonstrated erythropoietin expression in the adenomatous cells. Liver adenoma is a rare cause of erythrocytosis. For the first time, we report erythropoietin-positive immunoreactivity in liver adenomatous cells in a patient with erythrocytosis.

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Accession: 053028668

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PMID: 19339771

DOI: 10.1159/000210556

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